124 results about "Tea tree oil" patented technology

The invention belongs to the technical field of automobile parts, and particularly discloses a GMT composite material automobile roof and a preparation method thereof. The GMT composite material automobile roof comprises a GMT composite board layer, a hot melt adhesive layer and a fabric layer, and is characterized in that the GMT composite board layer comprises the following components in parts by weight; comprising the following raw materials: 90-100 parts of composite fiber felt, 22-30 parts of modified bamboo fiber, 3-5 parts of tea tree oil, 1-2 parts of sodium tripolyphosphate, 2-4 parts of beta-glycerophosphate disodium, 0.5-0.8 part of lecithin, 15-20 parts of modified talcum powder, 4-6 parts of an expandable microsphere foaming agent and 190-200 parts of deionized water. The GMT composite material automobile ceiling prepared in the invention has excellent mechanical strength, durability and aging resistance, can provide mechanical protection for parts, and prolongs the service life of the automobile ceiling.

The invention discloses a tea tree CsBZR1 gene and cold resistance application thereof, the tea tree CsBZR1 gene is a core gene in a tea tree brassinolide signal transduction pathway, and the nucleotide sequence of the tea tree CsBZR1 gene is shown as SEQ ID NO.1 in a sequence table. According to the application of the CsBZR1 gene of the tea tree to regulation and control of cold resistance of the tea tree, the low-temperature tolerance of the tea tree can be reduced by inhibiting expression of the CsBZR1 gene in vivo, and the cold resistance of arabidopsis thaliana is improved by overexpression of the CsBZR1 gene. Expression of CsBZR1 of a tea tree under a low-temperature condition is directly induced to be up-regulated by low-temperature stress of the tea tree, cold resistance of arabidopsis thaliana is improved by overexpression of the gene in the arabidopsis thaliana, and low-temperature damage of the tea tree can be remarkably aggravated by inhibiting expression of CsBZR1 in the tea tree through an antisense oligonucleotide technology. The cloning of the gene not only is beneficial to determining the effects of brassinolide and the signal transduction core factor BZR1 thereof in the cold-resistant process of the tea tree, but also is beneficial to promoting the genetic improvement process aiming at enhancing the cold resistance of the tea tree.

The invention relates to the field of pet nursing, in particular to citron flower mite-killing pet spray and a preparation method thereof.The citron flower mite-killing pet spray comprises a two-phase release system composed of an immediate release phase and a slow release phase, the immediate release phase is a nano-emulsified citron flower extract and a synergistic plant extract, and the particle size of the immediate release phase is 50-80 nanometers; the slow-release phase is a microencapsulated citron flower extract and a synergistic plant extract, and the particle size is 2-15 microns; the mass ratio of the immediate release phase to the slow release phase of the two-phase system is equal to 40: 60; the mass ratio of the citron flower extract to the synergistic plant extract is 1.5: 1 to 4: 1; the synergistic plant extract is selected from one or more of tea tree oil, green prickleyash extract and lemon eucalyptus leaf extract, and by optimizing the ratio of the citron flower extract to the synergistic plant extract and utilizing the synergistic effect of multiple acaricidal mechanisms, the acaricidal rate can reach 95% or above, and the acaricidal effect is better than that of a single plant extract.

The invention relates to the technical field of hair dyes, and particularly discloses a mild hair dye capable of coloring quickly and a preparation method of the mild hair dye. The hair dye comprises an agent A and an agent B. The agent A comprises glycerin, cetostearyl alcohol, myristyl alcohol, flaxseed gum, a stevia rebaudiana extract, tea tree oil, fructo-oligosaccharide, a surfactant, an oxidation dye, a chelating agent, an antioxidant, an emulsifier, grease, a hair conditioner, essence, a pH regulator and water. The agent B comprises cetostearyl alcohol, an emulsifier, grease, glycerol, a chelating agent, a buffering agent, hydrogen peroxide, a stabilizer and water. The hair dye disclosed by the invention can shorten the hair dyeing time, so that the retention time of the hair dye on scalp and hair is shortened, and the irritation and damage of the hair dye to the scalp and the head are reduced.

The present application relates to the technical field of bacteriostatic impregnated paper preparation, and discloses a bacteriostatic impregnated paper and a preparation method thereof, wherein a melamine impregnated paper substrate is impregnated with an impregnating solution; a rate regulating coating is coated on the surface of the substrate, so that the release rate of the bacteriostatic component is regulated according to the change of environmental pH value; wherein the surface of the rate regulating coating is further coated with a nano-silver particle layer, and the components of the impregnating solution include the following raw materials in percentage by weight: tea tree oil 0.5-2%, cinnamaldehyde 1-3%, lemon essential oil 0.5-1%, ethanol 70-80% and water; the present application provides a multi-layer protection mechanism, which can not only effectively kill various bacteria and fungi, but also prolong the duration of the bacteriostatic effect; the presence of the nano-silver particle layer enhances the long-term bacteriostatic effect, and even after long-term use, the high-efficiency antibacterial performance can be maintained; the introduction of the pH-sensitive polymer coating enables the release rate of the bacteriostatic component to be automatically regulated according to the change of environmental pH value.

The invention provides an external application medicine for incontinent dermatitis and a preparation method thereof. The composition is prepared from active ingredients such as a radix sophorae flavescentis extract, calamine, vitamin E, ceramide, a herba portulacae extract, glycyrrhizic acid, chitosan and colloidal oat powder according to a specific proportion. Moisturizing matrixes such as sodium hyaluronate and glycerol and functional components such as tea tree essential oil are supplemented. And through a preparation process of matching high-speed shearing with ultrasonic dispersion, uniform dispersion and stability of each component are ensured. Experimental results show that the composition shows a remarkable synergistic effect in the aspects of anti-inflammation, antibiosis, skin barrier repair and the like, the comprehensive relieving and repairing effect of the composition is superior to that of a conventional drug control, and all the components and a special preparation process are necessary for achieving the optimal effect. The product has no irritation to human skin, is good in safety, can be prepared into various dosage forms such as cream, hydrogel or spray, and is suitable for nursing and repairing sensitive skin.

The invention relates to cream for repairing radiodermatitis and a preparation method of the cream, and belongs to the technical field of biomedical skin treatment. The cream consists of the following components in percentage by weight: 8% of glycerin monostearate, 6% of stearic acid, 5% of white vaseline, 4% of liquid wax, 1-2% of tea tree oil, 1-2% of eugenol, 1-2% of vitamin E, 3% of trehalose, 8% of polyethylene glycol (PEG-400), 10% of glycerol, 0.5% of methylparaben, 1% of triethanolamine and the balance of purified water. According to the cream disclosed by the invention, the natural traditional Chinese medicine component eugenol and the natural substance vitamin E are utilized to synergistically enhance the anti-oxidation and bacteriostatic effects, and the tea tree oil, the trehalose and other effective components are utilized to repair radiodermatitis from multiple aspects of anti-inflammation, bacteriostasis, antioxidation, promotion of skin barrier repair and the like. The cream is simple in component, good in treatment effect, high in safety and convenient to produce and process, and can be popularized and applied to treatment of radiodermatitis.

The invention discloses a dental whitening gel and a preparation method thereof, and belongs to the technical field of oral medicine. Comprising the following components in percentage by mass: 10%-20% of urea peroxide, 0.5%-1% of sodium alginate, 1%-2% of tea tree oil, 2%-3% of dipotassium phosphate, 2%-4% of monopotassium phosphate, 3%-5% of carbomer, 3%-5% of glycerol, 59%-78% of deionized water and 0.5%-1% of pentasodium diethylenetriamine pentaacetate. The oral cavity cleaning agent has high safety, and does not have serious toxicity and irritation to the oral cavity.

The present invention relates to a composition comprising components (A) and (B) as active ingredients, wherein component (A) comprises a Streptomyces and component (B) is a compound selected from the group consisting of sulphur, phosphonate, copper hydroxide, copper oxychloride, bicarbonate, Bacillus sp, Trichoderma sp, aureobasidin A, jawsamycin, kasugamycin, natamycin, a polysaccharide elicitor, a plant biostimulant (PBS) comprising an algal extract, a plant extract and / or vinasse, orange oil, and / or tea tree oil. The invention further relates to a method of controlling or preventing phytopathogenic diseases, preferably phytopathogenic fungi, on a plant or on plant propagation material and / or on harvested food crops, which comprises applying to the plant, on plant propagation material, the locus thereof, and / or on harvested food crops the composition according to the present invention.

The invention discloses an antibacterial coating which comprises a component A and a component B. The component A comprises the following raw materials in parts by weight: 40-60 parts of epoxy resin, 15-35 parts of polyamide resin, 5-10 parts of tea tree essential oil, 1-3 parts of di (2-ethylhexyl) phthalate, 1-2 parts of fumed silica, 1-2 parts of acrylate, 1-2 parts of sodium phosphate and 1-2 parts of polyvinyl ether. The component B comprises the following raw materials in parts by weight: 20-30 parts of modified nano zinc oxide, 40-60 parts of an antibacterial curing agent, 15-20 parts of butanol and 2-10 parts of acetone. The weight ratio of the component A to the component B is 8: (2-4), and the water-resistant coating is excellent in mechanical property, high in adhesive force and good in water resistance.

The invention relates to the field of washing, and particularly discloses sulfur tea tree essential oil silicone oil-free shampoo. The shampoo comprises the following raw materials: water; fatty alcohol polyoxyethylene ether sodium sulfate; coconut oil monoethanolamide; hydroxypropyl guar gum hydroxypropyl trimethyl ammonium chloride; disodium EDTA (Ethylene Diamine Tetraacetic Acid); cocamidopropyl betaine is added; an alkyl glycoside; sodium lauroyl sarcosine; allantoin; pPG-3 (Polypropylene Glycol) octyl ether; a polyquaternary ammonium salt-52; colloidal sulfur; d-panthenol; 10 parts of polyquaternium-10; a pearling agent; maltotetraose; tea tree essential oil; a preservative; a colorant; daily-use essence; and citric acid monohydrate. The preparation method comprises the following steps: sequentially adding the raw materials, dispersing and dissolving, adjusting the pH value, filtering and discharging. The shampoo disclosed by the invention can keep water-oil balance of scalp and reduce the problems of hair damage and dryness at the same time.

The invention relates to a specific culture medium for detecting propionibacterium acnes in cosmetics and a detection method thereof, and belongs to the technical field of microbiological detection. Every 1000 mL of the specific culture medium contains 5-25 g of a nitrogen source, 5-10 g of a carbon source, 0.02-16 g of an inhibitor, 0.01-0.02 g of a color indicator, 0.1-13 g of a conditioning agent and the balance of a solvent. The inhibitor comprises Tween 80, a tea tree oil extract, cholate, sodium laurate and hydroxyproline. The specific culture medium provided by the invention is a propionibacterium acnes selective culture medium which is free of antibiotics, high in selectivity, sensitive in color development and low in cost. By optimizing the components of the culture medium and adding the selective inhibitor and the color indicator, the growth of other facultative anaerobic bacteria such as lactic acid bacteria can be effectively inhibited, specific culture and color development detection of propionibacterium acnes are carried out, and the accuracy and reliability of detection are improved.

The invention discloses an anti-decayed tooth toothpaste containing sugarcane leaf polysaccharide and a preparation method thereof. The toothpaste is prepared from the following raw materials in parts by weight: 3-6 parts of sugarcane leaf polysaccharide, 0.5-0.8 part of propolis extract, 0.05-0.09 part of antibacterial peptide, 2-5 parts of green tea extract, 80-100 parts of auxiliaries, 5-10 parts of deionized water and 2-4 parts of natural tea tree oil. The preparation method comprises the following steps: uniformly mixing all the raw materials, heating and stirring, and carrying out vacuum degassing to prepare the paste. The toothpaste disclosed by the invention can be used for efficiently inhibiting / killing oral pathogenic bacteria, maintaining the micro-ecological steady state of oral health and reducing erosion of acid substances to enamel, has excellent effects in the aspects of protecting gingiva, resisting inflammation, preventing bacterial breeding and resisting decayed teeth, and keeps lasting efficacy.

The invention provides a spathiphyllum hydroponic moss inhibitor, which comprises a natural plant extract, sodium chloride, acetic acid, biological enzyme and one of copper sulfate or bromocyanoacetamide, the use concentration of the natural plant extract is 2-3.2 ml / L, the use concentration of the copper sulfate is 4-16 mg / L, the purity of the bromocyanoacetamide is 99%, the use concentration is 5 mg / L, and the use concentration of the biological enzyme is 1-2 mg / L. The natural plant extract is cinnamon oil, acetic acid or tea tree oil. CuSO4, LDBNPA (99%) and EM bacteria are finally and successfully proportioned and mixed, so that moss breeding can be inhibited on the premise that normal growth and development of spathiphyllum are guaranteed. The nutrient solution can be used for inhibiting moss breeding when spathiphyllum is hydroponically cultured at home and a large number of spathiphyllum commercial seedlings are hydroponically cultured in factories, so that the time cost can be better saved, and the interval time for replacing the nutrient solution is prolonged.

The invention relates to the technical field of agriculture, and discloses an ecological environment-friendly microbial degradation mulching film which comprises the following components in percentage by mass: 50-65% of polylactic acid; 15% to 25% of lignocellulose; 5%-10% of glycerin; 0.5%-2% of nano titanium dioxide; 0.1% to 0.5% of silver nanoparticles; 0.5%-2% of a tea tree oil extract; 15% to 20% of carboxymethyl cellulose; 13%-15% of a plant growth regulator; 5%-10% of an auxiliary agent; the auxiliary agent comprises one or more of an antioxidant, a plasticizer and a light stabilizer, and the plant growth regulator comprises one or more of a seaweed extract, indoleacetic acid or oleanolic acid. By adding nano titanium dioxide and silver nanoparticles into the mulching film, excellent ultraviolet resistance and antibacterial performance of the mulching film are achieved, and the problem that aging of a traditional mulching film is accelerated due to ultraviolet irradiation is solved.

The invention discloses an antibacterial skin-care cleansing lotion and a preparation method thereof, and belongs to the technical field of personal care products. The skin cleansing liquid comprises the following core components: a double-embedded tea tree oil microcapsule, wherein the inner layer of the double-embedded tea tree oil microcapsule comprises beta-cyclodextrin inclusion tea tree oil, the outer layer of the double-embedded tea tree oil microcapsule comprises a sodium alginate-chitosan ionic cross-linked membrane, natural antibacterial peptide PA-3, dipotassium glycyrrhizinate, sodium lauroyl sarcosinate, a hyaluronic acid cross-linked polymer and a pH buffer system. The preparation method comprises the following steps: constructing a dual-embedding microcapsule through spray drying-ionic crosslinking to realize slow release of the tea tree oil; the hyaluronic acid three-dimensional network is used for loading PA-3, and protease degradation is resisted; and uniform dispersion of the microcapsules is ensured by adopting biaxial shearing emulsification. The product has the advantages of efficient antibiosis, gradient controlled release, low irritation and thermal stability, and is suitable for daily skin care and cleaning and repairing of sensitive and damaged skin.

The invention relates to the technical field of food packaging, in particular to a dual-antioxidant packaging film as well as a preparation method and application thereof. The dual antioxidant packaging film disclosed by the invention is prepared from the following components in parts by mass: 3.2 to 4 parts of starch, 0.8 to 1 part of glycerol, 0.8 to 1 part of polysaccharide, 0.02 to 0.16 part of berberine / anthocyanin self-assembled nanoparticles and 93.98 to 95.2 parts of water. The packaging film prepared by the invention is uniform in structure, has good mechanical properties and moisture and oxygen barrier properties, shows an intelligent slow release characteristic in a pH value change or oxidation environment, can realize controllable release of the tea tree essential oil, and significantly improves the antioxidant and antibacterial activity of the film. The material source is natural, renewable and biodegradable, and the environment-friendly fresh-keeping packaging material is suitable for fresh-keeping packaging of foods such as fruits, vegetables and meat products, and has good environment friendliness and industrial application prospects.

Ebselen analogue compounds, their synthesis, and nanoemulsions containing the same. The nanoemulsions can comprise the ebselen analogue, tea tree oil, Tween, and water.

The invention provides a tea tree oil microemulsion inclusion. The tea tree oil microemulsion inclusion comprises the following components in percentage by mass: 5-15% of tea tree oil, 3-8% of an emulsifier, 1-5% of a stabilizer, 2-10% of a water-soluble polymer material and the balance of deionized water, the tea tree oil is extracted through a supercritical CO2 extraction method, and the average particle size of the tea tree oil microemulsion inclusion is 50-200 nm. The preparation method comprises the following steps: carrying out supercritical CO2 extraction on the tea tree oil; performing micro-jet emulsification; the tea tree oil microemulsion inclusion is obtained. The tea tree oil microemulsion inclusion is used for preparing the anti-acne patch, and the anti-acne patch is used for treating acne. The tea tree oil micro-emulsion system with high stability and low irritation is constructed by integrating a supercritical CO2 extraction technology and a micro-jet emulsification technology and combining the emulsifier, the stabilizer and the functional components in a specific proportion, and the tea tree oil micro-emulsion system can be applied to anti-acne patch products.

The invention relates to the technical field of cosmetics, in particular to a moisturizing mask with a repairing effect and a preparation method of the moisturizing mask, and mask liquid comprises a sensitive skin repairing composition, an auxiliary effect system, a thickening system, a moisturizing system, a grease system, a buffer system and purified water. The sensitive skin repairing composition is prepared from chamomile oil, tea tree oil, a radix gentianae extract, a herba centellae extract, 4-tert-butyl cyclohexanol, butanediol, phosphatidyl ethanolamine and cardiolipin, phosphatidyl ethanolamine is modified, and the weight ratio of all the components is adjusted, so that the sensitive skin repairing composition is prepared. The traditional Chinese medicine composition has the advantages that various components in the composition are coordinated to play the optimal anti-inflammatory, anti-allergy, analgesic and repairing functions, exogenous stimulation, nerve stress response and inflammatory response are reduced, the self-protection mechanism is strengthened, the skin barrier is repaired, the oxidative stress capability is further strengthened, and the composition has more excellent high-temperature and low-temperature stability; the traditional Chinese medicine composition is natural and safe, and does not generate side effects such as dependence and drug resistance after long-term use.

The invention discloses a compound vitamin amino acid premix as well as a preparation method and application thereof, and belongs to the technical field of feed additives. An embedding system is formed by the chitosan, the polyethylene glycol and the glyceryl ricinoleate, and the tea tree oil and the perilla oil are compounded to serve as an antioxidant, so that the stability of vitamins can be remarkably improved. Besides, hydroxyapatite is added into the starch, modification treatment is performed through succinic anhydride and polyvinylpyrrolidone, the component compatibility is good, o-vanillin is introduced, the fragrance of o-vanillin has a food calling effect, the palatability is improved, the components of the functional additive are optimized, and the remarkable immune enhancement and growth promotion effects can be achieved; the cellular immunity and humoral immunity functions of the body are enhanced, and the granulating formability is effectively promoted by combining with the components of the carrier with good compatibility. On the whole, through interaction of the vitamin composition, the amino acid composition, the functional additive and the carrier, the immunity and growth performance of animals are jointly improved from multiple aspects.

This invention discloses a tea tree oil-thyme oil-chitosan composite film, its preparation method, and its application, belonging to the field of food preservation film technology. The preparation method of the tea tree oil-thyme oil-chitosan composite film includes the following steps: dissolving polyvinyl alcohol in water to obtain a polyvinyl alcohol solution; adding glacial acetic acid, chitosan, plasticizer, and emulsifier to the polyvinyl alcohol and mixing evenly; then adding tea tree oil and thyme oil, homogenizing and mixing, and degassing to obtain a film-forming liquid; and drying the film-forming liquid to form a film to obtain the tea tree oil-thyme oil-chitosan composite film. The tea tree oil-thyme oil-chitosan composite film prepared by this invention has excellent antibacterial effects and improves the preservation time of sweet cherries.

The invention relates to the technical field of daily chemicals, and discloses an antibacterial anti-dandruff shampoo and a preparation method thereof. Comprising the following components in parts by weight: 0.4 to 0.7 part of tea tree oil, 0.8 to 1 part of a mango peel extract-chitosan compound, 0.7 to 0.8 part of a liquorice root extract, 1 to 2.5 parts of sodium cocoyl methyl taurate, 0.5 to 0.8 part of sodium dodecyl benzene sulfonate, 0.8 to 1.2 parts of glycerol and 55 to 60 parts of deionized water. The antibacterial and anti-dandruff shampoo disclosed by the invention has relatively good antibacterial and anti-dandruff effects.

This application discloses a mild and long-lasting antibacterial tea tree oil cleaning composition, its preparation method, and its application. The composition comprises the following raw material components by mass percentage: 1.5%~3.5% tea tree oil microcapsules; 0.8%~2.5% rosemary-clove compound extract; 0.2%~0.8% protease; 10%~30% surfactant; 2%~5.5% auxiliaries; 0.2%~1% preservative; 0.2%~0.8% pH adjuster; and the balance being deionized water. This composition achieves a long-lasting antibacterial effect after washing through multiple mechanisms, including microcapsule sustained release, immediate release, and synergistic effect with plant extracts, effectively solving the technical problems of tea tree oil's volatility, easy oxidation, and short antibacterial duration.

The invention provides a stable slow-release antioxidant skin care composition emulsion as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The stable slow-release antioxidant skin care composition emulsion provided by the invention is prepared from the following components in percentage by mass: 1.2 to 2.5 percent of resveratrol-ATP (adenosine triphosphate) nanoparticle compound, 1.0 to 3.0 percent of chitosan microcapsule, 0.8 to 2.3 percent of active component, 7.2 to 14 percent of stable component and the balance of nano bubble water, the active components comprise tea tree oil, sodium hyaluronate and beta-glucan; the stable component comprises glycerol, ethanol and carbomer; the resveratrol-ATP nano-particle compound and the tea tree oil are coated in the chitosan microcapsule. The result of the embodiment shows that the antioxidant skin care composition emulsion has a very good antioxidant effect on dopa molecules, so that the oxidation synthesis of melanin is obviously inhibited, and the antioxidant skin care composition emulsion can promote the growth of cells and is beneficial to eliminating scars.

The application discloses a kind of biological base alcohol type beauty glue and preparation method thereof, it is related to adhesive technical field.The raw material composition of the beauty glue includes biological base polysiloxane, nano zinc oxide, biological base composite mildew inhibitor, hydrophobic fumed silica, titanium acid tetraisopropyl ester, methyl tributyl ketone oxime base silane, nano calcium carbonate, epoxy soybean oil, tea polyphenol;The biological base polysiloxane: raw material includes biological base 1,3-propylene glycol, hydroxyl end-capped polydimethylsiloxane, silane coupling agent;The biological base composite mildew inhibitor: raw material includes lecithin, epsilon-polylysine, tea tree oil, vitamin E.The preparation method of beauty glue includes preparing biological base polysiloxane, preparing biological base composite mildew inhibitor, basic filler dispersion, and preparing beauty glue finished product step.The biological base alcohol type beauty glue prepared in the application has good mildew-proof effect and excellent mechanical properties.

The present inventive concept relates to a formula for vaginal and anal cleansing and bacterial and microbial treatment of the same. The formula consists of a combination of Nano or Colloidal Siver, Melaleuca alternifolia which is Tea Tree and either distilled water or purified water. The formula is preferably applied through an applicator bottle or douche bottle.

The invention discloses a private care wet tissue containing a bacteriostatic composition, the private care wet tissue comprises a composite non-woven fabric base material and an impregnation liquid, the impregnation liquid comprises the bacteriostatic composition, a soothing anti-inflammatory agent, a moisturizing repairing agent, an odor removal regulator, a cosolvent and a stabilizer; the preparation method comprises the following steps: adding purified water, a citric acid-sodium citrate buffer agent and EDTA (Ethylene Diamine Tetraacetic Acid) disodium into a vacuum stirring tank, then adding glycerol, micromolecular sodium hyaluronate and ceramide 3, and then adding L-lactic acid and a lactobacillus acidophilus fermentation product; sequentially adding nisin, cranberry extract, polyhexamethylene biguanide hydrochloride and beta-cyclodextrin inclusion tea tree essential oil, and finally adding dipotassium glycyrrhizinate, allantoin and citrus extract. Different from the prior art that private care wet tissues only have a single antibacterial function and neglect flora balance, peculiar smell is covered by depending on essence, the base material and the steeping liquor are designed at the same time, and the functions of bacteriostasis and antibiosis, gentle private care, odor removal and itching relieving, inflammation prevention and swelling prevention, flora balance maintenance and the like are achieved.

This invention relates to a multifunctional composite membrane containing a natural antibacterial agent and a biomimetic hydrophilic carrier, and pertains to the field of separation membrane manufacturing technology for water treatment applications. The membrane is prepared by blending MCM-41 type honeycomb-structured mesoporous silica modified with tea tree oil (TTO) with a PVDF membrane, aiming to enhance the membrane's antibacterial and antifouling capabilities. TTO, with its excellent antibacterial properties, effectively alleviates biofouling problems, while MCM-41 possesses a high specific surface area and good chemical stability, offering multiple benefits including improved membrane hydrophilicity, reduced fouling, and enhanced essential oil dispersion. The combination of tea tree oil and MCM-41 simultaneously addresses both organic and biofouling issues in PVDF membranes, achieving a synergistic improvement in both material and membrane performance.

The invention belongs to the technical field of graphene antibacterial materials, and particularly relates to a graphene antibacterial material and a preparation method and application thereof. The chitosan, the lysine-lauric acid conjugate, the tea tree essential oil and other components are synergistically antibacterial through different mechanisms of physical destruction, chemical inhibition and the like, and have efficient inhibition effects on gram-positive bacteria, gram-negative bacteria and fungi, so that the use amount of a single antibacterial agent can be remarkably reduced, and the risk of drug resistance of bacteria is reduced. The graphene oxide is reduced into reduced graphene oxide through hydrazine hydrate steam, so that the potential cytotoxicity of the graphene oxide is reduced, and meanwhile, the mechanical strength and chemical stability of the material are enhanced; and the stable performance of the material is ensured by controlling key indexes such as SiO2 shell layer protection, freeze drying, freezing rate and the like.